Stefan Constantin Ionel
Chief Technology Officer · 21 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-27 | AMPX | Amprius Technologies, Inc. | Sale | 3,208 | $17.19 | $55,156.75 | filing |
| 2026-05-21 | AMPX | Amprius Technologies, Inc. | Sale | 28,812 | $14.79 | $426,083.38 | filing |
| 2026-03-04 | AMPX | Amprius Technologies, Inc. | Award | 110,000 | $0.00 | $0.00 | filing |
| 2026-02-23 | AMPX | Amprius Technologies, Inc. | Sale | 25,366 | $10.16 | $257,604.41 | filing |
| 2026-01-28 | AMPX | Amprius Technologies, Inc. | Sale | 39,690 | $12.00 | $476,351.44 | filing |
| 2026-01-28 | AMPX | Amprius Technologies, Inc. | Option exercise | 39,600 | $0.05 | $1,980.00 | filing |
| 2026-01-28 | AMPX | Amprius Technologies, Inc. | Option exercise | 90 | $0.62 | $55.80 | filing |
| 2026-01-23 | AMPX | Amprius Technologies, Inc. | Sale | 1,600 | $12.00 | $19,200.00 | filing |
| 2026-01-23 | AMPX | Amprius Technologies, Inc. | Option exercise | 1,600 | $0.05 | $80.00 | filing |
| 2026-01-22 | AMPX | Amprius Technologies, Inc. | Sale | 492,827 | $12.04 | $5.9M | filing |
| 2026-01-22 | AMPX | Amprius Technologies, Inc. | Option exercise | 72,795 | $0.45 | $32,757.75 | filing |
| 2026-01-22 | AMPX | Amprius Technologies, Inc. | Option exercise | 253,928 | $0.05 | $12,696.40 | filing |
| 2026-01-22 | AMPX | Amprius Technologies, Inc. | Option exercise | 166,104 | $0.05 | $8,305.20 | filing |
| 2026-01-21 | AMPX | Amprius Technologies, Inc. | Sale | 73,280 | $12.00 | $879,411.30 | filing |
| 2026-01-21 | AMPX | Amprius Technologies, Inc. | Option exercise | 41,563 | $0.62 | $25,769.06 | filing |
| 2026-01-21 | AMPX | Amprius Technologies, Inc. | Option exercise | 15,883 | $0.05 | $794.15 | filing |
| 2026-01-21 | AMPX | Amprius Technologies, Inc. | Option exercise | 15,834 | $0.05 | $791.70 | filing |
| 2025-12-11 | AMPX | Amprius Technologies, Inc. | Sale | 198,255 | $10.51 | $2.1M | filing |
| 2025-12-11 | AMPX | Amprius Technologies, Inc. | Option exercise | 125,000 | $0.05 | $6,250.00 | filing |
| 2025-11-21 | AMPX | Amprius Technologies, Inc. | Sale | 25,024 | $10.08 | $252,274.45 | filing |
| 2025-08-21 | AMPX | Amprius Technologies, Inc. | Sale | 19,159 | $6.82 | $130,591.58 | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.